  .switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 24px;
  }

  .switch input {display:none;}

  .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
  }

  .slider:before {
    position: absolute;
    content: "";
    height: 17px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
    
  }
  .slider:after {
    content: "off";
    color:#fff;
      position: absolute;
      top: 50%;
      left: 72%;

    transform:translate(-50%,-50%)
  }

  input:checked + .slider:after {
    content: "on";
    color:#fff;
      position: absolute;
      top: 50%;
      left: 28%;

    transform:translate(-50%,-50%)
  }

  input:checked + .slider {
    background-color: #99CC99;

    
  }

  input:focus + .slider {
    box-shadow: 0 0 1px #2196F3;
  }

  input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
    
  }

  /* Rounded sliders */
  .slider.round {
    border-radius: 34px;
  }

  .slider.round:before {
    border-radius: 50%;
  }